integer-bool.ll 565 B

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  1. ; RUN: opt < %s -S -globalopt -instcombine | FileCheck %s
  2. ;; check that global opt turns integers that only hold 0 or 1 into bools.
  3. @G = internal addrspace(1) global i32 0
  4. ; CHECK: @G
  5. ; CHECK: addrspace(1)
  6. ; CHECK: global i1 false
  7. define void @set1() {
  8. store i32 0, i32 addrspace(1)* @G
  9. ; CHECK: store i1 false
  10. ret void
  11. }
  12. define void @set2() {
  13. store i32 1, i32 addrspace(1)* @G
  14. ; CHECK: store i1 true
  15. ret void
  16. }
  17. define i1 @get() {
  18. ; CHECK-LABEL: @get(
  19. %A = load i32, i32 addrspace(1) * @G
  20. %C = icmp slt i32 %A, 2
  21. ret i1 %C
  22. ; CHECK: ret i1 true
  23. }